Answer
a) $\mu=3.84$
$\rho=3.56$
b) $\mu=38.36$
$\rho=5.73$
Work Step by Step
a)
$\mu=23.84-20=3.84$
$\rho=3.56$
b)
$\mu=1.609\times23.84=38.36$
$\rho=1.609\times3.56=5.73$
Stats Modeling the World, 4th Edition
by Bock, David E.; Velleman, Paul F.; De Veaux, Richard D.
Published by
Pearson
ISBN 10:
0133151549
ISBN 13:
978-0-13315-154-1
Chapter 5 - The Standard Deviation as a Ruler and the Normal Model - Exercises - Page 132: 20
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